Scheduling design for distributed video-on-demand servers

被引：0
|
作者：
Zhao, YQ [1 ]
Kuo, CCJ [1 ]
机构：
[1] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS | 2005年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An online request migration scheme and a dynamic content update strategy for distributed video-on-demand (VoD) systems are proposed in this work to reduce the service failure rate and the server-side network bandwidth consumption. By improving the random early migration (REM) scheme that was designed for a centralized VoD server system, we propose a cost-aware REM (CAREM) scheme to reduce the network bandwidth consumption of the migration in a distributed environment. A dynamic content update strategy is also proposed based on the server-video affinity metric to reconfigure video copies assigned to media servers. Extensive simulations show that CAREM together with the dynamic content update strategy can reduce both the failure rate and the server bandwidth consumption.
引用
收藏
页码：1545 / 1548
页数：4
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